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ITF Tokyo: Yusuke Takahashi vs Hiromasa Koyama

Other · June 29, 2026

Best Price

$0.00

Worst Price

$0.00

Max Gap

0.0%

Total Volume

$0.000000

Platform Prices — Yusuke Takahashi

Platform	Decimal Odds	Implied %	Price▲	Edge vs Best	Action
PolymarketBest	1.32	75.5%	$0.76	---	Bet Here
Kalshi	1.28	78.0%	$0.78	+2.5pp	Bet Here

PolymarketBest

$0.76

Odds

1.32

Implied

75.5%

Edge

---

Bet Here

Kalshi

$0.78

Odds

1.28

Implied

78.0%

Edge

+2.5pp

Bet Here

All Outcomes

Yusuke Takahashi

Best: 78.0% on kalshi

▲+2.5%

Prediction market is 2.5% cheaper than sportsbooks. Consider buying on PM.

78.0%

75.5%

Hiromasa Koyama

Best: 24.5% on polymarket

▲+0.5%

Prediction market is 0.5% cheaper than sportsbooks. Consider buying on PM.

24.0%

24.5%

Aggregate liquidity

across every venue · the only place this number exists

For each outcome, the total fillable capacity if you split across every venue (Polymarket order-book depth + Kalshi order-book depth + Pinnacle / Bet365 / DraftKings stake limits). A whale can't deploy $50k on Polymarket alone without moving the price — but the same $50k splits cleanly across 4 venues at a much tighter aggregate fill price. That's what this panel shows.

Yusuke Takahashi

cheapest single venue: polymarket at 0.755

Retail tier ($5k/venue)

$6.0K@ 0.785 avg

+2.46% vs cheapest single venue

polymarket$1.0K @ 0.766

kalshi$5.0K @ 0.789

What you can deploy retail-sized across every venue without moving a single market.

Sharp tier ($25k/venue)

$26.0K@ 0.829 avg

+8.18% vs cheapest single venue

polymarket$1.0K @ 0.766

kalshi

Arbitrage Opportunity

+0.50%fillable risk-free returnEXECUTABLE

Stake split for $1,000 bankroll

Outcome	Platform	Odds	Stake	To win
Yusuke Takahashithin	polymarket	1.32	$759	$1005
Hiromasa Koyamathin	kalshi	4.17	$241	$1005

Stake the listed amount on each outcome at the matching platform. Whichever outcome wins, the payout covers the full bankroll plus the margin shown. Verify prices before placing — odds drift quickly.

Cross-Platform Edge — Yusuke Takahashi

Spread

2.5pp

kalshi at 78.0% vs polymarket at 75.5%

Expected Value

+3.31%

Per $1 staked at polymarket (1.32) if kalshi's price is fair.

Kelly Stake

10.2%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

kalshi

updated just now

Volume: $16
24h Volume: $16
Liquidity: $0
Open Interest: $16

Resolves: in 14d 2h

polymarket

updated just now

Volume: $26
24h Volume: $26
Liquidity: $3.7K
Open Interest: $26

Resolves: in 7d 2h

Source: https://www.itftennis.com/en/tournament-calendar/

Settlement Timeline

polymarketin 7d 2h · Jul 7, 2026, 3:30 AM
kalshiin 14d 2h · Jul 14, 2026, 3:30 AM

Capital on each platform stays locked until that market settles. When platforms resolve at different times the earlier one frees up bankroll for the next opportunity.

Price History

Illustrative preview · historical tracking coming soon

Trade This Market

Trade on Kalshi Trade on Polymarket

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